<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8" />
    <title>Document</title>
</head>
<body>
    <center>
        <table>
            <tr>
                <td>输入手机号</td>
                <td><input type="text" name="phone" id="phone" /></td>
            </tr>
        </table>
        <div id="box">
        </div>
    </center>
</body>
</html>
<script src="jquery-3.3.1.js"></script>
<script>
    $("#phone").blur(function(){
        var phone=$("#phone").val();
        $.ajax({
            type:'post',
            url:"http://api.k780.com/?app=phone.get&phone="+phone+"&appkey=43804&sign=0095ccf82e170975a1cde65e3a9bf180&format=json&jsoncallback=data",
            dataType:'',
            success:function(data){
                console.log(data.result);
            }
        })
    })
</script>